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EP1655994A3 - Flat panel speaker - Google Patents

Flat panel speaker Download PDF

Info

Publication number
EP1655994A3
EP1655994A3 EP05022900A EP05022900A EP1655994A3 EP 1655994 A3 EP1655994 A3 EP 1655994A3 EP 05022900 A EP05022900 A EP 05022900A EP 05022900 A EP05022900 A EP 05022900A EP 1655994 A3 EP1655994 A3 EP 1655994A3
Authority
EP
European Patent Office
Prior art keywords
panel
flat panel
gasket
panel speaker
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05022900A
Other languages
German (de)
French (fr)
Other versions
EP1655994A2 (en
Inventor
Tomohiko Kamimura
Satoru Fujiwara
Eiki Fujii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hosiden Corp
Original Assignee
Hosiden Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hosiden Corp filed Critical Hosiden Corp
Publication of EP1655994A2 publication Critical patent/EP1655994A2/en
Publication of EP1655994A3 publication Critical patent/EP1655994A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/201—Damping aspects of the outer suspension of loudspeaker diaphragms by addition of additional damping means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/204—Material aspects of the outer suspension of loudspeaker diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

A flat panel speaker has a construction in which an actuator 10 vibrates a panel 21 to radiate sound, the panel 21 being held at a peripheral portion thereof on a frame 22 by gaskets, wherein the gasket 31 provided at a position opposite from a position at which the actuator 10 is placed has a higher hardness than that of the gasket 32 provided at another position. The side on which the gasket 31 having the higher hardness is placed is a substantially fixed end to facilitate vibration of the panel 21, thereby improving sound quality.
Figure imgaf001
EP05022900A 2004-10-28 2005-10-20 Flat panel speaker Withdrawn EP1655994A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004314333A JP4700323B2 (en) 2004-10-28 2004-10-28 Flat panel speaker

Publications (2)

Publication Number Publication Date
EP1655994A2 EP1655994A2 (en) 2006-05-10
EP1655994A3 true EP1655994A3 (en) 2007-02-28

Family

ID=35681387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05022900A Withdrawn EP1655994A3 (en) 2004-10-28 2005-10-20 Flat panel speaker

Country Status (5)

Country Link
US (1) US20060093165A1 (en)
EP (1) EP1655994A3 (en)
JP (1) JP4700323B2 (en)
KR (1) KR100778119B1 (en)
CN (1) CN1780497A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008059312A1 (en) * 2008-11-27 2010-06-02 Weiss, Tobias Electro acoustic transducer i.e. bending wave transducer, for use as flat loud speakers, has acoustic diaphragm designed as rigid, rectangular plate body that is supported in area of two outer edges, and bracket designed as absorption parts
TW201136331A (en) * 2010-04-06 2011-10-16 Zhao-Lang Wang Moving-magnet type loudspeaker device
CN202652283U (en) * 2012-01-12 2013-01-02 瑞声光电科技(常州)有限公司 screen sounder
US10226133B2 (en) * 2012-03-08 2019-03-12 Robert Katz Audio headboard
JP2013207601A (en) 2012-03-28 2013-10-07 Kyocera Corp Electronic apparatus
JP5855508B2 (en) 2012-03-29 2016-02-09 京セラ株式会社 Electronics
JP5968018B2 (en) 2012-04-10 2016-08-10 京セラ株式会社 Electronics
JP5812926B2 (en) 2012-04-12 2015-11-17 京セラ株式会社 Electronics
JP5986417B2 (en) 2012-04-12 2016-09-06 京セラ株式会社 Electronics
JP5968050B2 (en) 2012-04-26 2016-08-10 京セラ株式会社 Electronics
JP5973218B2 (en) 2012-04-26 2016-08-23 京セラ株式会社 Electronics
JP5968061B2 (en) 2012-05-01 2016-08-10 京セラ株式会社 Electronics
JP5972042B2 (en) * 2012-05-16 2016-08-17 京セラ株式会社 Electronics
WO2014045720A1 (en) * 2012-09-20 2014-03-27 京セラ株式会社 Sound emitter, sound emission device, and electronic apparatus
WO2016052582A1 (en) * 2014-09-30 2016-04-07 太陽誘電株式会社 Electronic device
GB2544548B (en) * 2015-11-20 2018-01-24 Amina Tech Limited Flat panel loudspeakers
KR20200025596A (en) 2018-08-31 2020-03-10 김남현 Flat panel speaker
JP2020054122A (en) * 2018-09-27 2020-04-02 日本電産サンキョー株式会社 Actuator and panel loudspeaker
KR102625724B1 (en) * 2018-10-05 2024-01-15 엘지디스플레이 주식회사 Display apparatus
CN109525915B (en) * 2019-01-22 2024-04-02 江苏铁锚玻璃股份有限公司 Transparent sound box with unidirectional sound
US11076223B2 (en) * 2019-02-25 2021-07-27 Denso Ten Limited Speaker device
TWD215480S (en) * 2020-07-21 2021-11-21 南韓商樂金顯示科技股份有限公司 Speaker with light therein
USD989033S1 (en) 2020-07-21 2023-06-13 Lg Display Co., Ltd. Speaker with light therein
TWD218107S (en) 2020-07-21 2022-04-11 南韓商樂金顯示科技股份有限公司 Speaker with light therein
DE102023126058A1 (en) 2023-09-26 2025-03-27 Klippel Gmbh Arrangement and method for generating sound and vibrations with a mechanical structure excited by a strain actuator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58199000A (en) * 1982-05-17 1983-11-19 Matsushita Electric Ind Co Ltd Dynamic loud speaker
JPS58221599A (en) * 1982-06-17 1983-12-23 Matsushita Electric Ind Co Ltd Dynamic loudspeaker
JPS58221598A (en) * 1982-06-17 1983-12-23 Matsushita Electric Ind Co Ltd Dynamic loud speaker
EP1170977A1 (en) * 2000-07-04 2002-01-09 Tai-Yan Kam Laminated composite panel-form loudspeaker
EP1385354A1 (en) * 2002-07-25 2004-01-28 Kam, Tai-Yan Transparent panel-form loudspeaker
EP1414266A2 (en) * 1998-01-20 2004-04-28 New Transducers Limited Active acoustic devices
US20040103588A1 (en) * 2002-12-03 2004-06-03 Smart Skin, Inc. Acoustically intelligent windows

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3602327B2 (en) * 1998-03-19 2004-12-15 パイオニア株式会社 Speaker diaphragm by injection foam molding
JP3455876B2 (en) * 2000-04-27 2003-10-14 ミネベア株式会社 Speaker
KR100435850B1 (en) * 2001-12-11 2004-06-10 타이 얀 캄 Panel form loudspeaker
JP2004104327A (en) * 2002-09-06 2004-04-02 Hosiden Corp Actuator for piezoelectric speaker
JP2004247812A (en) 2003-02-12 2004-09-02 Alps Electric Co Ltd Electroacoustic transducer and electronic apparatus employing the same
JP2004260347A (en) * 2003-02-24 2004-09-16 Alps Electric Co Ltd Electroacoustic transducer
JP2004260346A (en) 2003-02-24 2004-09-16 Alps Electric Co Ltd Electroacoustic transducer

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58199000A (en) * 1982-05-17 1983-11-19 Matsushita Electric Ind Co Ltd Dynamic loud speaker
JPS58221599A (en) * 1982-06-17 1983-12-23 Matsushita Electric Ind Co Ltd Dynamic loudspeaker
JPS58221598A (en) * 1982-06-17 1983-12-23 Matsushita Electric Ind Co Ltd Dynamic loud speaker
EP1414266A2 (en) * 1998-01-20 2004-04-28 New Transducers Limited Active acoustic devices
EP1170977A1 (en) * 2000-07-04 2002-01-09 Tai-Yan Kam Laminated composite panel-form loudspeaker
EP1385354A1 (en) * 2002-07-25 2004-01-28 Kam, Tai-Yan Transparent panel-form loudspeaker
US20040103588A1 (en) * 2002-12-03 2004-06-03 Smart Skin, Inc. Acoustically intelligent windows

Also Published As

Publication number Publication date
US20060093165A1 (en) 2006-05-04
CN1780497A (en) 2006-05-31
KR100778119B1 (en) 2007-11-21
JP4700323B2 (en) 2011-06-15
JP2006129053A (en) 2006-05-18
KR20060054102A (en) 2006-05-22
EP1655994A2 (en) 2006-05-10

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